Having problems with Google Calendar this morning? You’re not alone, as Google just confirmed that the app is currently experiencing a service disruption for many users.

Google updated its Apps Status website to reflect the outage that was first reported earlier this morning at 6:49 AM EST. The company last checked in at 9:30 AM noting it’s “continuing to investigate this issue.” It’s unclear at this point how many users are affected:

“We are working on getting the exact list of affected users. This is the first step towards fixing the issue. Next update within 3 hours.”